import * as cheerio from 'cheerio';
import type { Observations } from '../core/types.js';

export function coletarHtml(obs: Observations): void {
  if (!obs.html) return;

  let $: cheerio.CheerioAPI;
  try {
    $ = cheerio.load(obs.html);
  } catch (erro) {
    obs.avisos.push(`Falha ao interpretar o HTML: ${(erro as Error).message}`);
    return;
  }

  const meta: Record<string, string> = {};
  $('meta').each((_, el) => {
    const nome = ($(el).attr('name') ?? $(el).attr('property') ?? $(el).attr('http-equiv') ?? '')
      .toLowerCase()
      .trim();
    const conteudo = $(el).attr('content');
    if (nome && conteudo != null) meta[nome] = conteudo;
  });
  obs.meta = meta;

  const scriptSrc: string[] = [];
  $('script[src]').each((_, el) => {
    const src = $(el).attr('src');
    if (src) scriptSrc.push(src);
  });
  obs.scriptSrc = scriptSrc;

  const links: string[] = [];
  $('link[href]').each((_, el) => {
    const href = $(el).attr('href');
    if (href) links.push(href);
  });
  $('img[src]').each((_, el) => {
    const src = $(el).attr('src');
    if (src) links.push(src);
  });
  obs.linksAssets = links;
}